Currently, November is the cheapest month in which you can book a flight to Portsmouth (average of $1,096). Flying to Portsmouth in December will prove the most costly (average of $1,718). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
January
$1,922
February
$1,838
March
$1,816
April
$1,898
May
$1,845
June
$2,192
July
$2,193
August
$2,133
September
$2,287
October
$1,704
November
$1,703
December
$2,669
LON Temperature | 4 - 17 °C |
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If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).